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Commit 83288b60 authored by Jeff Mahoney's avatar Jeff Mahoney Committed by David Sterba
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btrfs: uapi/linux/btrfs.h migration, qgroup limit flags 



The BTRFS_QGROUP_LIMIT_* flags are required to tell the kernel which
fields are valid when using the BTRFS_IOC_QGROUP_LIMIT ioctl.

Signed-off-by: default avatarJeff Mahoney <jeffm@suse.com>
Reviewed-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Reviewed-by: default avatarJosef Bacik <jbacik@fb.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent d4ae133b

fs/btrfs/ctree.h

+0 −8
Original line number Diff line number Diff line
@@ -1154,14 +1154,6 @@ struct btrfs_qgroup_info_item { 
	__le64 excl_cmpr;

} __attribute__ ((__packed__));



/* flags definition for qgroup limits */

#define BTRFS_QGROUP_LIMIT_MAX_RFER	(1ULL << 0)

#define BTRFS_QGROUP_LIMIT_MAX_EXCL	(1ULL << 1)

#define BTRFS_QGROUP_LIMIT_RSV_RFER	(1ULL << 2)

#define BTRFS_QGROUP_LIMIT_RSV_EXCL	(1ULL << 3)

#define BTRFS_QGROUP_LIMIT_RFER_CMPR	(1ULL << 4)

#define BTRFS_QGROUP_LIMIT_EXCL_CMPR	(1ULL << 5)



struct btrfs_qgroup_limit_item {

	/*

	 * only updated when any of the other values change

include/uapi/linux/btrfs.h

+21 −1
Original line number Diff line number Diff line
@@ -41,7 +41,19 @@ struct btrfs_ioctl_vol_args { 
#define BTRFS_UUID_SIZE 16

#define BTRFS_UUID_UNPARSED_SIZE	37



#define BTRFS_QGROUP_INHERIT_SET_LIMITS	(1ULL << 0)

/*

 * flags definition for qgroup limits

 *

 * Used by:

 * struct btrfs_qgroup_limit.flags

 * struct btrfs_qgroup_limit_item.flags

 */

#define BTRFS_QGROUP_LIMIT_MAX_RFER	(1ULL << 0)

#define BTRFS_QGROUP_LIMIT_MAX_EXCL	(1ULL << 1)

#define BTRFS_QGROUP_LIMIT_RSV_RFER	(1ULL << 2)

#define BTRFS_QGROUP_LIMIT_RSV_EXCL	(1ULL << 3)

#define BTRFS_QGROUP_LIMIT_RFER_CMPR	(1ULL << 4)

#define BTRFS_QGROUP_LIMIT_EXCL_CMPR	(1ULL << 5)



struct btrfs_qgroup_limit {

	__u64	flags;
@@ -51,6 +63,14 @@ struct btrfs_qgroup_limit { 
	__u64	rsv_excl;

};



/*

 * flags definition for qgroup inheritance

 *

 * Used by:

 * struct btrfs_qgroup_inherit.flags

 */

#define BTRFS_QGROUP_INHERIT_SET_LIMITS	(1ULL << 0)



struct btrfs_qgroup_inherit {

	__u64	flags;

	__u64	num_qgroups;